Specifies the password to use when connecting to the neo4j server.
longDesc The neo4j server that is included with Funnelback will set the password to
_svc_knowledge_graph user's password which is based on the server secret.
If the server secret is changed neo4j must be restarted for the change to take affect.
Can be set in: global.cfg
By default this value is not set as the password is derived from the server secret.
To change the password to 'password' when connecting to a remote neo4j DB: